Jespersen, O. (1962). Essentials of English grammar (1st published, repr.). George Allen & Unwin.
Cita Chicago Style (17a ed.)Jespersen, Otto. Essentials of English Grammar. 1st published, repr. London: George Allen & Unwin, 1962.
Cita MLA (9a ed.)Jespersen, Otto. Essentials of English Grammar. 1st published, repr. George Allen & Unwin, 1962.
Precaución: Estas citas no son 100% exactas.